26460066660 has 48 divisors (see below), whose sum is σ = 74585448000. Its totient is φ = 7008659584.

The previous prime is 26460066631. The next prime is 26460066679. The reversal of 26460066660 is 6666006462.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470930 + ... + 1488809.

It is an arithmetic number, because the mean of its divisors is an integer number (1553863500).

Almost surely, 2^26460066660 is an apocalyptic number.

26460066660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26460066660 is an abundant number, since it is smaller than the sum of its proper divisors (48125381340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26460066660 is a wasteful number, since it uses less digits than its factorization.

26460066660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959900 (or 2959898 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 26460066660 in words is "twenty-six billion, four hundred sixty million, sixty-six thousand, six hundred sixty".